httpproxy.gopherspace.dk:75/1/proxy/https://bitsavers.org/pdf/ibm/360/dos/asm/

       Index of /pdf/ibm/360/dos/asm
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   DIR /pdf/ibm/360/dos
       C24-3414-4_Disk_and_Tape_Operating_Systems_Assembler_Language_Mar1967.pdf
       GC24-3414-7_Disk_and_Tape_Operating_Systems_Assembler_Language_Aug70.pdf
       GC24-3414-9_Disk_and_Tape_Operating_Systems_Assembler_Language_Release_26_Jul1972.pdf
       GC24-3414-9_Disk_and_Tape_Operating_Systems_Assembler_Language_Release_26_Nov1972.pdf